Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
1
Is any of this happening now?
Call 911
Seek emergency medical care if you develop:
New trouble starting urination, loss of bladder control, or inability to feel bladder fullness
Loss of bowel control
New numbness around the genitals, inner thighs, or bottom
Severe or rapidly worsening weakness, especially in both legs
Sciatica in both legs together with bladder, bowel, or saddle-area symptoms
These symptoms may indicate cauda equina syndrome or another serious nerve problem.
Other emergency signs, for anyone
Someone who is struggling to breathe, gasping, choking, or cannot get words out
Someone who has chest pain, tightness or pressure lasting more than a few minutes
Someone who has sudden weakness or drooping on one side of the face or body, slurred speech, or sudden confusion
Someone who is unconscious, or cannot be woken
Someone who is bleeding heavily and it will not stop with firm pressure
Someone who has had a seizure that will not stop, or does not wake up afterwards
Someone who has lips or skin that look pale, blue, grey or blotchy
Someone who you believe has taken an overdose or swallowed something poisonous
2
Is any of this happening?
Be seen today
Do not wait for a routine appointment.
Arrange prompt medical assessment for worsening leg weakness, a foot that starts dragging, severe symptoms after a significant injury, or pain accompanied by fever or feeling generally unwell.
You should also seek prompt advice if you have a history of cancer, a weakened immune system, or unexplained weight loss alongside new back or leg symptoms.
3
Does any of this apply?
Book an appointment
Routine follow-up is appropriate when symptoms are not improving after a few weeks, keep returning, disrupt sleep or daily activities, or remain difficult to manage.
A review can confirm the likely cause and decide whether rehabilitation, imaging, or specialist assessment would be useful.
Every sign above is quoted from the sofidex article on Sciatica. If you are not sure, err upward — it is always reasonable to be checked.